US3380177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Critical path and project evolution review planning device
Assignee: RUEGG NAEGELI AND CIE AG
•
Filing: 1965-08-25
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Granted: 1968-04-30
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Heinz R Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:08
CPC Classifications
A; A01; A01B; A01B49/00; A01B49/04; A01B49/06; G; G09; G09D; G09D1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2545409A
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US3083475A
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US2983892A
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US3139687A
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GB907744A
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US3028686A
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US3124885A
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US3277589A
Cited
US3290797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |